How to Use "strenuous" with Example Sentences

1. Exercise doesn 't need to be strenuous in order to be beneficial .
2. Training for a marathon is extremely strenuous .
3. Avoid strenuous exercise the day before so you go into your run with fresh legs .
4. Pregnant women should avoid all strenuous activities , but sewing is not one of them .
5. In fact , preparing baby food at home is not a strenuous task .